/*
 * Created by 岱青海蓝信息系统(北京)有限公司 on 17-6-21 上午10:20
 * Copyright (c) 2017. All rights reserved.
 */

package com.example.dqhl.recycleviewdemo.util;

/**
 * Created by dqhl on 17/6/21.
 */
public class Caculator {
    public double sum(double a, double b) {
        return a+b;
    }

    public double substract(double a, double b) {
        return a-b;
    }

    public double divide(double a, double b) {
        return a/b;
    }

    public double multiply(double a, double b) {
        return a*b;
    }
}
